Home / 3,669.67-5,503.13-1,329.10

Finding the Fourth Proportional to 3,669.67, 5,503.13 and 1,329.10

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Solution

The fourth proportional to 3,669.67, 5,503.13 and 1,329.10 is: 1,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.67 : 5,503.13 = 1,329.10 : x
  2. Step 2: Convert to fraction form
    3,669.67/5,503.13 = 1,329.10/x
  3. Step 3: Cross multiply
    3,669.67x = 5,503.13 × 1,329.10
  4. Step 4: Simplify right side
    3,669.67x = 7,314,210.08
  5. Step 5: Solve for x
    x = 7,314,210.08/3,669.67
  6. Step 6: Final answer
    x = 1,993.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.